CN209991998U - Hall sensor - Google Patents

Abstract

The utility model relates to the field of sensors, and discloses a Hall sensor, which comprises a shell and a cover plate, wherein the shell and the cover plate are detachably and hermetically connected to form an installation cavity between the shell and the cover plate; the control panel and the connector are respectively arranged in the installation cavity and outside the installation cavity; the pencil, the one end of pencil is connected in the connector, and the other end stretches into in the installation cavity and is connected in the control panel. The utility model arranges the shell of the Hall sensor and the connector in a split way, and arranges the connector outside the shell to cancel the PIN needle, and the cancellation of the PIN needle can prevent the shell from having the problem of uneven shrinkage caused by too thick local wall thickness, thereby improving the injection molding strength of the shell; meanwhile, the mould for casting the shell is simplified, and the production cost is reduced; the connector can be changed and the adjusting position according to the user demand, has solved the single and poor problem of adaptability of model that exists when shell and connector adopt whole injection moulding.

Description

Hall sensor

Technical Field

The utility model relates to a sensor field especially relates to a hall sensor.

Background

Fig. 1 is a schematic diagram illustrating a hall sensor according to the prior art, and as shown in fig. 1, the hall sensor mainly includes four parts, namely, a housing 1 ', a PIN 2 ', a control board 3 ', and a cover plate 4 ', wherein the PIN 2 ' is injection molded in the housing 1 ', and it is required to ensure that the PIN 2 ' is not skewed during injection molding; the control plate 3 ' is fixed to the housing 1 ' by welding with the PIN 2 ', and the cover plate 4 ' is fixed to the housing 1 ' by ultrasonic welding. The hall sensor mainly has the following technical defects:

1. the PIN needle 2 ' is connected with the control board 3 ' and the connector, the connector and the shell 1 ' are integrally injection molded, and the model is single;

2. the position of the connector is fixed, the length and the direction can not be adjusted, and the adaptability is poor;

3. the PIN needle 2 ' is injected on the shell 1 ', the PIN needle 2 ' is required to be ensured not to be inclined during injection, and the corresponding mould has a complex structure and higher cost.

4. The wall thickness of the shell 1 'around the PIN needle 2' is larger than that of other areas, and the phenomenon of nonuniform shrinkage is easily generated in the injection molding process, so that the plastic deformation is generated, and the strength of an injection molded part is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hall sensor can solve the problem that the model that current hall sensor exists is single, adaptability is poor, manufacturing cost is high and the in-process of moulding plastics can produce the inhomogeneous phenomenon of shrink.

To achieve the purpose, the utility model adopts the following technical proposal:

a hall sensor, comprising:

the shell and the cover plate are detachably and hermetically connected, so that a mounting cavity is formed between the shell and the cover plate;

the control panel is arranged in the installation cavity, and the connectors are respectively arranged outside the installation cavity;

and one end of the wiring harness is connected to the connector, and the other end of the wiring harness extends into the mounting cavity and is connected to the control panel.

As a preferable technical solution of the above hall sensor, the hall sensor further comprises an installation component located between the housing and the cover plate, and two ends of the installation component are respectively connected with the housing and the cover plate in a detachable and sealed manner.

As a preferable technical solution of the hall sensor, the control board is detachably connected to the mounting member.

As a preferable technical solution of the hall sensor, the control board is inserted into the mounting member and is sandwiched between the mounting member and the housing.

As a preferable technical scheme of the hall sensor, the mounting member is provided with a mounting groove, and one end of the control plate is inserted into the mounting groove and is in interference fit with the mounting groove.

As a preferable technical solution of the hall sensor, the mounting member is clamped with the housing.

As a preferable technical solution of the hall sensor, the mounting member is clamped with the cover plate.

As a preferable aspect of the hall sensor, a first seal is interposed between the mounting member and the cover plate.

As a preferred technical solution of the above hall sensor, the first sealing element is provided with first through holes corresponding to the signal lines in the wire harness one to one, and the first through holes are in interference fit with the corresponding signal lines.

As a preferable aspect of the hall sensor, a second sealing member is interposed between the mounting member and the housing.

The utility model has the advantages that: the utility model discloses with the shell of hall sensor and connector components of a whole that can function independently setting, and locate the connector outside the shell, with cancellation PIN needle, solved when locating the connector in the shell need on the shell injection moulding PIN needle the problem, and cancellation of PIN needle makes on the shell can not appear again because of local wall thickness too thick the problem that produces the inhomogeneous phenomenon of shrink in the injection moulding process, improved the injection moulding intensity of shell; and meanwhile, the mould for casting the shell is simplified, and the production cost is reduced. Adopt the pencil to connect the connector and arrange the control panel between shell and the apron in, realize that the connector can change and adjust the position according to the user demand, solved the single and poor problem of adaptability of model that exists when shell and connector adopt whole injection moulding.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic diagram of a Hall sensor in the prior art;

fig. 2 is a schematic structural diagram of a hall sensor provided in an embodiment of the present invention;

fig. 3 is an exploded view of a hall sensor (connector not shown) provided by an embodiment of the present invention;

fig. 4 is a schematic view of the connection between the control board and the mounting member provided by the embodiment of the present invention;

fig. 5 is a schematic view of a connection between a mounting member and a housing according to an embodiment of the present invention.

In the figure:

1', a housing; 2', PIN; 3', a control panel; 4', a cover plate;

1. a housing; 11. a first boss; 12. a second seal groove; 13. a second insert ring; 14. a first positioning post;

2. a mounting member; 21. a first part; 211. a first protrusion; 212. a first card slot; 213. a first positioning hole; 22. a second section; 221. a second boss; 222. a first seal groove; 223. a second positioning column; 23. mounting blocks;

3. a control panel;

4. a cover plate; 41. a second protrusion; 42. a second card slot;

5. a connector assembly; 6. a wire harness; 7. a first seal member; 8. a second seal.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

As shown in fig. 2 and 3, the present embodiment provides a hall sensor, which includes a housing 1 and a cover plate 4, wherein the housing 1 and the cover plate 4 are detachably connected. Specifically, a mounting part 2 is arranged between the housing 1 and the cover plate 4, and two ends of the mounting part 2 are respectively detachably and hermetically connected with the housing 1 and the cover plate 4, so that a mounting chamber is formed between the housing 1 and the cover plate 4.

In this embodiment, two ends of the mounting member 2 are respectively clamped with the housing 1 and the cover plate 4, and specifically, the mounting member 2 includes a first portion 21 clamped with the housing 1 and a second portion 22 clamped with the cover plate 4. Wherein, be equipped with first boss 11 on one of first portion 21 and the shell 1, be equipped with on the other with first boss 11 complex first draw-in groove 212 to with shell 1 joint in installed part 2. In this embodiment, the first portion 21 is provided with a plurality of first protrusions 211, the plurality of first protrusions 211 are distributed along the circumferential direction of the first portion 21, and each first protrusion 211 is provided with the first engaging groove 212.

In other embodiments of the present invention, the positions of the first boss 11 and the first slot 212 may be interchanged, that is, the first boss 11 is disposed on the first portion 21, and the first slot 212 is disposed on the housing 1.

One of the second portion 22 and the cover plate 4 is provided with a second boss 221, and the other is provided with a second locking groove 42 matched with the second boss 221, so as to lock the cover plate 4 to the mounting member 2. In this embodiment, the cover plate 4 is provided with a plurality of second protrusions 41, the plurality of second protrusions 41 are distributed along the circumferential direction of the cover plate 4, and each second protrusion 41 is provided with the second locking groove 42. In other embodiments of the present invention, the positions of the second protrusion 221 and the second slot 42 can be interchanged, that is, the second protrusion 221 is disposed on the cover plate 4, and the second slot 42 is disposed on the second portion 22.

This embodiment is through addding installed part 2, can dismantle with shell 1 and apron 4 with the both ends of installed part 2 respectively and be connected, has replaced shell 1 and apron 4 among the prior art and has adopted ultrasonic bonding's connected mode, has simplified the connected mode between shell 1 and the apron 4, has reduced manufacturing cost.

As shown in fig. 3 and 4, the hall sensor further includes a control board 3, and the control board 3 is disposed in the mounting chamber. In the prior art, the control board 3 is welded with the PIN needle by adopting a robot welding technology to be fixed on the shell 1, so that the production process of the Hall sensor is complicated, and the production cost is increased. For this purpose, the present embodiment detachably connects the control panel 3 with the mount 2. Specifically, one side of the first portion 21 facing the housing 1 is provided with an installation block 23, the installation block 23 is provided with an installation groove, one end of the control board 3 is inserted into the installation groove along the extending direction of the installation groove and abuts against one side wall of the installation groove, and the other end of the control board extends out of the installation groove and abuts against the inner wall of the housing 1, so as to clamp the control board 3 between the installation member 2 and the housing 1. Preferably, the mounting slot is an interference fit with the control plate 3.

In order to avoid the control panel 3 to deviate from the mounting groove, one side of the relative both sides wall of above-mentioned mounting groove, which is far away from the mounting groove diapire, is provided with a limit table which is convexly arranged towards the center of the mounting groove so as to limit the control panel 3 in the mounting groove. Adopt above-mentioned mode to replace adopting the welding mode to fix control panel 3 on shell 1 among the prior art, simplified control panel 3's connected mode, reduced manufacturing cost.

As shown in fig. 2, the hall sensor further includes a wiring harness 6 and a connector 5, the connector 5 is disposed outside the installation cavity, one end of the wiring harness 6 is connected to the connector 5, and the other end of the wiring harness 6 extends into the installation cavity and is connected to the control board 3. The control panel 3 is provided with a plugging structure, only the wiring harness 6 is inserted into the plugging structure, and the connection mode between the wiring harness 6 and the plugging structure is the prior art and is not described in detail herein. Control panel 3 and installed part 2, shell 1 between be connected realize spacing to the six directions of control panel 3, guaranteed that control panel 3 can not rock in the installation cavity, improved the stability that control panel 3 and pencil 6 are connected.

In the embodiment, the shell 1 and the connector 5 of the Hall sensor are arranged in a split manner, and the connector 5 is arranged outside the shell 1 to cancel the PIN needle, so that the problem that the PIN needle needs to be injection molded on the shell 1 when the connector 5 is arranged in the shell 1 is solved, and the problem that the shell 1 is not shrunk unevenly in the injection molding process due to too thick local wall thickness can be avoided due to the cancellation of the PIN needle, so that the injection molding strength of the shell 1 is improved; and meanwhile, the mould for casting the shell 1 is simplified, and the production cost is reduced. Adopt 6 connection connectors of pencil 5 and arrange control panel 3 between shell 1 and apron 4 in, realize that connectors 5 can change and adjust the position according to the user demand, adapt to different installation environment's user demand, the problem that the model that exists is single and adaptability is poor when having solved shell 1 and connectors 5 and adopting whole injection moulding.

Further, as shown in fig. 3 to 5, in order to ensure sealing between the mounting member 2 and the cover plate 4, a first seal member 7 is interposed between the mounting member 2 and the cover plate 4. Specifically, be equipped with the pencil through hole that is used for wearing to establish pencil 6 on the installed part 2, be formed with first seal groove 222 between the inner wall in pencil through hole and the outer wall of second portion 22, be formed with first ring of inserting between first seal groove 222 and the pencil through hole, first sealing member 7 is equipped with and is used for inserting the first slot of establishing above-mentioned first ring of inserting.

When the cover plate 4 and the mounting part 2 are connected, the first sealing part 7 with the wiring harness 6 is inserted into the mounting part 2, so that the first insert ring is inserted into the first slot, part of the first sealing part 7 is arranged in the first sealing groove 222, part of the first sealing part 7 is arranged in the wiring harness through hole, the cover plate 4 and the mounting part 2 are clamped and connected through the second boss 221 and the second clamping groove 42, and at the moment, the cover plate 4 abuts against the end face of the first sealing part 7, so that the sealing between the cover plate 4 and the mounting part 2 is realized; meanwhile, the sealing between the wire harness 6 and the wire harness penetrating hole can be ensured. In other embodiments of the present invention, the first sealing element 7 may also be inserted on the cover plate 4, which is not described herein again in detail.

Further, in order to ensure sealing between a plurality of signal lines in the wire harness 6, first through holes corresponding to the signal lines in the wire harness 6 one to one are provided on the first sealing member 7, and the first through holes are in interference fit with the corresponding signal lines. Through the arrangement, the sealing between the signal wires in the wiring harness 6 is realized.

Further, in order to ensure the sealing performance between the mounting member 2 and the housing 1, a second sealing member 8 is interposed between the mounting member 2 and the housing 1. Specifically, one side of the housing 1 facing the mounting component 2 is provided with a second sealing groove 12, a second insertion ring 13 is formed between the second sealing groove 12 and the inner wall of the housing 1, a second insertion groove for inserting the second insertion ring 13 is formed in the second sealing element 8, and a second through hole for penetrating the mounting block 23 is formed in the second sealing element 8.

When connecting shell 1 and installed part 2, earlier run through the second with installation piece 23 and wear to establish the hole and stretch into in the shell 1, the one end of second sealing member 8 is inserted in the shell 1, and the second inserts in the ring 13 will insert the second slot simultaneously, passes through first boss 11 and first draw-in groove 212 joint with shell 1 and installed part 2 again, and installed part 2 will butt in the terminal surface of second sealing member 8 this moment to realize the sealed between shell 1 and the installed part 2. In other embodiments of the present invention, the second sealing element 8 can also be inserted on the mounting member 2, which is not described herein again in detail.

The first sealing member 7 and the second sealing member 8 are adopted by the embodiment to waterproof seal the Hall sensor so as to adapt to more complex use environments.

Further, in order to ensure the accuracy of the connection between the housing 1 and the mounting member 2, the present embodiment provides the first positioning column 14 on the housing 1, and provides the first positioning hole 213 for passing the first positioning column 14 on the mounting member 2. In other embodiments of the present invention, the first positioning column 14 may be disposed on the mounting member 2, and the first positioning hole 213 is disposed on the housing 1.

Further, in order to ensure the accuracy of the connection between the cover plate 4 and the mounting member 2, the second positioning column 223 is disposed on the mounting member 2, and the cover plate 4 is disposed with a second positioning hole for passing the second positioning column 223. In other embodiments of the present invention, the second positioning column 223 can be disposed on the cover plate 4, and the second positioning hole is disposed on the mounting member 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. A hall sensor, comprising:

the device comprises a shell (1) and a cover plate (4), wherein the shell (1) and the cover plate (4) are detachably and hermetically connected to form a mounting chamber between the shell (1) and the cover plate (4);

the control panel (3) is arranged in the installation cavity, and the connector (5) is arranged outside the installation cavity;

the wire harness (6), one end of the wire harness (6) is connected to the connector (5), and the other end of the wire harness (6) stretches into the installation cavity and is connected to the control panel (3).

2. The Hall sensor according to claim 1, further comprising a mounting member (2) located between the housing (1) and the cover plate (4), wherein both ends of the mounting member (2) are detachably and hermetically connected with the housing (1) and the cover plate (4), respectively.

3. Hall sensor according to claim 2, characterized in that the control board (3) is detachably connected to the mounting (2).

4. Hall sensor according to claim 3, characterized in that the control board (3) is inserted in the mounting (2) and is sandwiched between the mounting (2) and the housing (1).

5. The Hall sensor according to claim 4, wherein the mounting member (2) is provided with a mounting groove, and one end of the control plate (3) is inserted into the mounting groove and is in interference fit with the mounting groove.

6. Hall sensor according to claim 2, characterized in that the mounting (2) is snap-fitted to the housing (1).

7. Hall sensor according to claim 2, wherein the mounting (2) is snap-fitted to the cover plate (4).

8. Hall sensor according to claim 2, characterized in that a first seal (7) is interposed between the mounting element (2) and the cover plate (4).

9. The Hall sensor according to claim 8, wherein the first sealing member (7) is provided with first through holes corresponding to the signal wires in the wiring harness (6) in a one-to-one manner, and the first through holes are in interference fit with the corresponding signal wires.

10. Hall sensor according to claim 2, characterized in that a second seal (8) is interposed between the mounting (2) and the housing (1).

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